WO2014163417A1 - 극저온 물질 운반선의 화물창 - Google Patents

극저온 물질 운반선의 화물창 Download PDF

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Publication number
WO2014163417A1
WO2014163417A1 PCT/KR2014/002898 KR2014002898W WO2014163417A1 WO 2014163417 A1 WO2014163417 A1 WO 2014163417A1 KR 2014002898 W KR2014002898 W KR 2014002898W WO 2014163417 A1 WO2014163417 A1 WO 2014163417A1
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WO
WIPO (PCT)
Prior art keywords
cargo hold
primary
wall
panel
barrier
Prior art date
Application number
PCT/KR2014/002898
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
신상범
김현수
진형국
이동주
김하근
박인완
노병재
윤중근
김대순
Original Assignee
현대중공업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대중공업 주식회사 filed Critical 현대중공업 주식회사
Priority to JP2016506244A priority Critical patent/JP6109405B2/ja
Priority to CN201480031626.7A priority patent/CN105263797B/zh
Priority to EP14780233.4A priority patent/EP2982594B1/en
Publication of WO2014163417A1 publication Critical patent/WO2014163417A1/ko

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/001—Thermal insulation specially adapted for cryogenic vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/40—Devices for engaging tags, strips, or tongues for opening by tearing, e.g. slotted keys for opening sardine tins
    • B67B7/403—Devices for engaging tags, strips, or tongues for opening by tearing, e.g. slotted keys for opening sardine tins adapted for engaging the ring of a pull tab for opening an aperture
    • B67B7/406—Devices for engaging tags, strips, or tongues for opening by tearing, e.g. slotted keys for opening sardine tins adapted for engaging the ring of a pull tab for opening an aperture and subsequently tearing off the top of the can
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
    • B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
    • B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
    • B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
    • B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/16—Hand- or power-operated devices for opening closed containers for removing flanged caps, e.g. crown caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B7/00—Hand- or power-operated devices for opening closed containers
    • B67B7/44—Combination tools, e.g. comprising cork-screws, can piercers, crowncap removers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/002—Storage in barges or on ships
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0329—Foam
    • F17C2203/0333—Polyurethane
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/03—Thermal insulations
    • F17C2203/0304—Thermal insulations by solid means
    • F17C2203/0354—Wood
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0636—Metals
    • F17C2203/0648—Alloys or compositions of metals
    • F17C2203/0651—Invar
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/221—Welding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/016—Preventing slosh
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0102—Applications for fluid transport or storage on or in the water
    • F17C2270/0105—Ships
    • F17C2270/0107—Wall panels

Definitions

  • the present invention relates to a cargo hold of a cryogenic material carrier.
  • Cargo holds of carriers that store and transport cryogenic (including low and cryogenic) liquefied gases, such as LNG and LPG, keep the liquefied gas contained insulated from the outside in the desired phase and provide durability for the load and chemical action of the liquefied gas.
  • 'Mark III' and 'NO 96' which are membrane insulation systems of GTT (Gaz Transport & Technigaz S.A.s) of France, are known.
  • the 'Mark III' type cargo hold has a primary barrier consisting of a stainless steel membrane corrugation barrier (or a corrugated barrier) and a secondary barrier consisting of a triplex composite material.
  • a primary heat insulation wall is provided between the primary barrier and the secondary barrier, and a secondary heat insulation wall is provided between the secondary barrier and the hull.
  • the primary insulation wall is a laminate of plywood on the upper surface of the insulation made of polyurethane foam (PUF) having a density of about 130 kg / m 3 .
  • the secondary heat insulating wall is a wood laminate bonded to the lower surface of the same polyurethane foam heat insulating material as the primary heat insulating wall. Secondary insulation walls are supported on the hull by mastic and fixed to the hull by stud bolts.
  • the 'Mark III' type cargo hold has excellent heat insulating properties, so that the thickness of the insulating wall can be made thinner than that of the 'NO 96' type, thereby increasing the internal volume of the cargo hold.
  • the welding of the corrugated corrugated barrier, that is, the primary barrier is complicated, so the automation rate is low, and the reliability of the secondary barrier made of triplex is relatively difficult.
  • the 'NO 96' type cargo hold uses an invar membrane sheet, in which both the primary and secondary barriers are commonly referred to as 'invariant steel'.
  • the primary and secondary insulation walls are made of a form filled with pearlite powder inside the insulation box made of wood, and each insulation box is connected by a coupler.
  • the barrier welding is simpler than the 'Mark III' type because the primary and secondary barriers are made of a flat plate without corrugated wrinkles, so that the automation of the barrier welding is relatively easy.
  • it is more difficult to construct than 'Mark III' type because the first and second insulation walls have to be installed in box shape.
  • the barrier material cost is excessively increased compared to the 'Mark III' type cargo hold, as both primary and secondary barriers use expensive Invar membranes.
  • the 'NO 96' type cargo hold is filled with pearlite powder, which is a heat insulating wall inside the wooden box, it can have higher compressive strength and rigidity than the 'Mark III' type.
  • the thermal conductivity is increased compared to the 'Mark III' type, and the heat insulation performance is deteriorated. Therefore, the insulation walls are inevitably thickened, thereby reducing the internal volume of the cargo hold.
  • the wooden box itself may be damaged by the sloshing impact of the liquefied gas inside the cargo hold.
  • the present invention was created to solve the problems of the prior art as described above, and an object of the present invention is to select a first to third cargo hold wall having a different structure in each part of the cargo hold where the sloshing phenomenon of the liquefied gas is different. It is to provide a cargo hold of cryogenic material carrier that can improve the reliability of the cargo hold.
  • a cargo hold of a cryogenic material carrier includes a primary corrugation panel having a corrugation portion in which a plurality of corrugation cross sections are continuously formed, and a primary main panel connected to the primary corrugation panel. barrier; A secondary barrier including a secondary corrugation panel having a corrugation portion in which a plurality of corrugation cross sections are continuously formed, and a secondary main panel connected to the secondary corrugation panel; A primary heat insulation wall disposed between the primary barrier and the secondary barrier and having a depression for accommodating the wrinkle portion of the secondary corrugation panel; And a secondary heat insulation wall installed between the secondary barrier and the hull shell.
  • the primary heat insulation wall the upper plywood is installed under the primary barrier; An upper Glassfiber composite material installed below the upper plywood; A lower Glassfiber composite material installed above the secondary barrier; And an insulating plate installed between the upper Glassfiber composite material and the lower Glassfiber composite material.
  • the heat insulating plate may comprise a high density polyurethane foam having a density of 200 kg / m 3 or more as a heat insulating material.
  • the upper Glassfiber composite material may be a flat plate type
  • the lower Glassfiber composite material may include a flat plate type formed with the depression.
  • the recessed portion may have a trapezoidal cross section, and may have a recessed shape larger than the height and width of the corrugated portion of the secondary corrugated panel.
  • the secondary heat insulation wall the upper plywood is installed under the secondary barrier; A lower plywood installed above the hull shell; And it may include a heat insulating plate installed between the upper plywood and the lower plywood.
  • the heat insulating plate may comprise a high density polyurethane foam having a density of 200 kg / m 3 or more as a heat insulating material.
  • each of the primary corrugated panel and the secondary corrugated panel may include a corner piece extending from the corrugated portion.
  • each of the primary corrugated panel and the secondary corrugated panel may include an invar material or a stainless material.
  • each of the primary main panel and the secondary main panel is formed in the form of connecting a plurality of insert panels having a flange, the interval between the flange provided in the insert panel of the primary main panel May be smaller than an interval between the flanges provided in the insert panel of the secondary main panel, and the flange of the primary main panel and the flange of the secondary main panel may be alternately disposed. .
  • each of the primary main panel and the secondary main panel may include an invar material or a stainless material.
  • the wrinkle portion of each of the primary corrugated panel and the secondary corrugated panel, a plurality of corrugated cross-sections are formed in succession in parallel along the corner line of the cargo hold, the corrugated portion of the secondary corrugated panel, the 1
  • the corrugation of the primary corrugation panel may include a smaller corrugation of the corrugation and a wider gap between the corrugations.
  • the pleats may include absorbing shrinkage deformation due to the temperature of the cryogenic material and absorbing the sloshing impact force received at the corner line portion during the sloshing phenomenon of the liquefied gas.
  • the reliability of the cargo hold can be improved by selectively applying the first to third cargo hold walls having different structures to the respective portions of the cargo hold where the sloshing phenomenon of the liquefied gas is different. .
  • the present invention is to form a first cargo hold wall having a barrier integrally curved and flat plate shape in the side corner line portion of the cargo hold, and the second cargo having a flat barrier wall in the first cargo hold wall in the other part of the cargo hold
  • the third cargo hold walls it is possible to divide and mount the cargo hold and to shorten the construction period.
  • the present invention by forming the auxiliary wrinkles in the primary barrier of the first to third cargo hold wall, it is possible to prevent damage due to shrinkage and to mitigate the impact due to the sloshing phenomenon of the liquefied gas.
  • the present invention can improve the bond strength of the barrier by forming the tongue connecting the unit panels of the flat barrier into a double structure.
  • the primary and secondary corrugated panels of the first and second barrier walls of the first cargo hold wall is installed in the invar material, the first to third cargo hold is installed in the most affected by the sloshing phenomenon.
  • FIG. 1 is a schematic view of a cargo hold of a cryogenic material carrier according to an embodiment of the present invention.
  • Figure 2 is an exploded perspective view of the first cargo hold wall according to an embodiment of the present invention.
  • FIG 3 is an assembled perspective view of the primary barrier and the primary insulating wall of the first cargo hold wall according to an embodiment of the present invention.
  • Figure 4 is an assembled perspective view of the secondary barrier and the secondary insulating wall of the first cargo hold wall according to an embodiment of the present invention.
  • FIG 5 is an assembled perspective view of the primary barrier, the primary insulation wall, the secondary barrier and the secondary insulation wall of the first cargo hold wall according to an embodiment of the present invention.
  • FIG. 6 is a partial cross-sectional view of a second cargo hold wall in accordance with one embodiment of the present invention.
  • FIG. 7 is an exploded perspective view of a primary heat insulation wall of the first cargo hold wall according to an embodiment of the present invention.
  • FIG. 8 is a partial cross-sectional view of the primary insulation wall of the first cargo hold wall according to an embodiment of the present invention.
  • FIG. 9 is an exploded perspective view of the secondary insulating wall of the first cargo hold wall according to an embodiment of the present invention.
  • FIG. 10 is a partial cross-sectional view of the secondary insulating wall of the first cargo hold wall according to an embodiment of the present invention.
  • FIG. 11 is an exploded perspective view of a second cargo hold wall according to an embodiment of the present invention.
  • FIG. 12 is an assembled perspective view of the primary barrier and the primary insulating wall of the second cargo hold wall according to an embodiment of the present invention.
  • FIG 13 is an assembled perspective view of the secondary barrier and the secondary insulating wall of the second cargo hold wall according to an embodiment of the present invention.
  • FIG 14 is an assembled perspective view of the primary barrier, the primary insulation wall, the secondary barrier and the secondary insulation wall of the second cargo hold wall according to an embodiment of the present invention.
  • 15 is a partial cross-sectional view of a second cargo hold wall in accordance with one embodiment of the present invention.
  • 16 is an exploded perspective view of the primary insulation wall of the second cargo hold wall according to an embodiment of the present invention.
  • 17 is a partial cross-sectional view of the primary insulating wall of the second cargo hold wall according to an embodiment of the present invention.
  • FIG. 18 is an exploded perspective view of the secondary insulating wall of the second cargo hold wall according to an embodiment of the present invention.
  • 19 is a partial cross-sectional view of the secondary insulating wall of the second cargo hold wall according to an embodiment of the present invention.
  • FIG. 20 is an exploded perspective view of a third cargo hold wall according to an embodiment of the present invention.
  • 21 is an assembled perspective view of the primary barrier and the primary insulating wall of the third cargo hold wall according to an embodiment of the present invention.
  • FIG. 22 is an assembled perspective view of the secondary barrier and the secondary insulating wall of the third cargo hold wall according to an embodiment of the present invention.
  • 23 is an assembled perspective view of the primary barrier, the primary insulation wall, the secondary barrier and the secondary insulation wall of the third cargo hold wall according to an embodiment of the present invention.
  • FIG. 24 is a partial cross-sectional view of a third cargo hold wall in accordance with one embodiment of the present invention.
  • 25 is an exploded perspective view of the primary heat insulation wall of the third cargo hold wall according to an embodiment of the present invention.
  • 26 is a partial cross-sectional view of the primary insulation wall of the third cargo hold wall according to an embodiment of the present invention.
  • FIG. 27 is an exploded perspective view of the secondary heat insulation wall of the third cargo hold wall according to an embodiment of the present invention.
  • FIG. 28 is a partial cross-sectional view of a secondary insulating wall of the third cargo hold wall according to an embodiment of the present invention.
  • 29 is an enlarged front view of a double tongue in accordance with an embodiment of the present invention.
  • FIG. 30 is an enlarged perspective view of a double tongue in accordance with an embodiment of the present invention.
  • FIG. 31 is an enlarged view of auxiliary wrinkles according to an embodiment of the present invention.
  • FIG. 1 is a schematic view of a cargo hold of a cryogenic material carrier according to an embodiment of the present invention.
  • FIG. 1 is a view for defining the overall shape and direction of the cargo hold 1 of the cryogenic material carrier to be referred to herein, rather than the detailed configuration of each element.
  • the direction of the cargo hold 1 in the present specification is arbitrarily designated for convenience of description, and the direction defined in the present specification may be different from the direction when applied to the actual ship.
  • the 'inside' refers to the direction of the inner receiving space of the cargo hold 1 'outer' refers to the outer hull shell 100 direction.
  • the cargo hold 1 As shown in Figure 1, the cargo hold 1 according to an embodiment of the present invention, the hull shell 100 to form the outside of the cargo hold 1, and in contact with the cryogenic material inside the cargo hold 1
  • the corner line 6 where the lateral wall 2, the bottom 3, the vertical wall 4 and the ceiling 5 meet may be obtuse or right angles.
  • the secondary insulation wall 500 of the cargo hold 1 may be fixed to the hull shell 100 by a plurality of stud bolts or anchors (not shown), and to the spring and bolt fastening device (not shown). It can be tightened by.
  • the cargo hold 1 has the structure of any one of the 1st cargo hold wall A mentioned later, the 2nd cargo hold wall B mentioned later, and the 3rd cargo hold wall C mentioned later, or these 1st, 2nd And a third cargo hold wall (A, B, C).
  • the primary barrier 200 of the cargo hold 1 includes the primary barrier 200A of the first cargo hold wall A to be described later, the primary barrier 200B of the second cargo hold wall B to be described later, It may be made of any one of the primary barrier (200C) of the third cargo hold wall (C) to be described later, or may be made of a combination of these primary barrier (200A, 200B, 200C).
  • the primary heat insulation wall 300 of the cargo hold 1 is the primary heat insulation wall 300A of the 1st cargo hold wall A mentioned later, and the primary heat insulation wall 300B of the 2nd cargo hold wall B mentioned later. It may be made of any one of the primary thermal insulation wall 300C of the third cargo hold wall (C) to be described later, or may be made of a combination of these primary thermal insulation walls (300A, 300B, 300C).
  • the secondary barrier 400 of the cargo hold 1 is the secondary barrier 400A of the first cargo hold wall A, which will be described later, the secondary barrier 400B of the second cargo hold wall B, which will be described later, and will be described later. It may be made of any one of the secondary barrier 400C of the third cargo hold wall (C), or a combination of these secondary barriers (400A, 400B, 400C).
  • the secondary heat insulation wall 500 of the cargo hold 1 is the secondary heat insulation wall 500A of the 1st cargo hold wall A mentioned later, and the secondary heat insulation wall 500B of the second cargo hold wall B mentioned later. It may be made of any one of the secondary heat insulating wall (500C) of the third cargo hold wall (C) to be described later, or may be made of a combination of these secondary heat insulating walls (500A, 500B, 500C).
  • first cargo hold wall (A), the second cargo hold wall (B), the third cargo hold wall (C) will be described.
  • FIG. 2 is an exploded perspective view of the first cargo hold wall according to an embodiment of the present invention
  • Figure 3 is an assembled perspective view of the primary barrier and the primary insulating wall of the first cargo hold wall according to an embodiment of the present invention
  • 4 is an assembled perspective view of the secondary barrier and the secondary insulating wall of the first cargo hold wall according to an embodiment of the present invention
  • Figure 5 is the primary barrier, primary of the first cargo hold wall according to an embodiment of the present invention Assembled perspective view of the insulating wall, the secondary barrier and the secondary insulating wall
  • Figure 6 is a partial cross-sectional view of the second cargo hold wall according to an embodiment of the present invention
  • Figure 7 is a first cargo hold according to an embodiment of the present invention
  • Figure 8 is an exploded perspective view of the primary insulating wall of the wall
  • Figure 8 is a partial cross-sectional view of the primary insulating wall of the first cargo hold wall according to an embodiment of the present invention
  • Figure 9 is a first cargo hold according to an embodiment of the present
  • the first cargo hold wall A of the present invention is in contact with the hull shell 100 forming the exterior of the cargo hold 1 and the cryogenic material inside the cargo hold 1.
  • the first cargo hold wall A may form the cargo hold 1 of the invention alone, but in this embodiment the cargo hold 1 of the invention in combination with the second or third cargo hold walls B, C. A case of forming a will be described.
  • the first cargo hold wall A is the second or third cargo hold wall when the cargo hold 1 is formed in the first cargo hold wall A in combination with the second or third cargo hold walls B and C which will be described later. Arranged at regular intervals at the corners to minimize the effect of the contraction of (B, C), as shown in Figure 1, when two barrier blocks are combined in the central portion of the cargo hold 1, installed in this portion This can prevent defects that may occur in the joint.
  • the primary barrier 200A of the first cargo hold wall A includes a primary corrugated panel 210A and a primary main panel 220A, as shown in FIG. 2.
  • the primary barrier 200A may be joined with the primary barrier 200B of the second cargo hold wall B or the primary barrier 200C of the third cargo hold wall C, which will be described later.
  • the primary corrugated panel 210A has a circumference of a corner line 6 formed by the bottom 3, the vertical wall 4, and the ceiling 5 that meet the transverse wall 2, as shown in FIG. 1. It may be disposed along, and may be disposed in the vertical direction to the central portion of the transverse wall (2).
  • the primary corrugation panel 210A has a flat corner piece 212A extending from the corner line 6 to the wall, and a plurality of corrugated cross sections extend from the corner piece 212A and the plurality of corrugated cross sections form the corner line 6. It may include a wrinkle portion 214A are formed in succession in parallel.
  • the corner piece 212A may be connected to the primary main panels 220B and 220C of the second or third cargo hold walls B and C to be described later, and may be formed of an invar material.
  • the corrugation part 214A not only absorbs shrinkage deformation caused by the temperature of the cryogenic material, but also absorbs the sloshing impact force applied to the corner line 6 during the sloshing phenomenon of the liquefied gas, thereby absorbing the corner line 6. It is possible to prevent the occurrence of defects in the portion, it can be formed of the Invar material.
  • corner piece 212A and the pleat portion 214A are not limited to the invar material but may be formed of a stainless material or another material.
  • the primary main panel 220A is configured to connect a plurality of insert panels 222A each having a flange 223A facing the adjacent panel, and one side thereof may be connected to the primary corrugated panel 210A. The other side may be connected to the primary main panels 220B and 220C of the second or third cargo hold walls B and C which will be described later.
  • the insert panel 222A may be formed of an invar material.
  • the insert panel 222A is not limited to the invar material, but may be formed of a stainless material or another material.
  • auxiliary wrinkles 230A may be formed in the insert panel 222A.
  • the auxiliary pleats 230A may be formed in the longitudinal direction, as shown in FIG. 31 in an enlarged manner.
  • the drawing shows that there is one auxiliary pleat 230A, at least one auxiliary pleat 230A may be provided, and the auxiliary pleat 230A serves to absorb shrinkage deformation caused by the temperature of the cryogenic material, as well as liquefied gas. During the sloshing phenomenon of serves to absorb the sloshing impact force received from the flange 223A to be described later.
  • the insert panel 222A contracts in the width direction by contact with the cryogenic material
  • the left and right portions of the insert panel 222A contract based on the welded portion of the flange 223A, wherein the auxiliary corrugation 230A
  • the expansion of) may prevent the coupling between the flanges 223A of the insert panels 222A adjacent to each other to be separated, thereby maintaining the sealing of the primary barrier 200A. That is, the insert panel 222A is prevented from being damaged by the auxiliary corrugation 230A during the shrinkage in the width direction and by the primary corrugation panel 210A during the longitudinal contraction.
  • the wrinkle direction of the primary corrugation panel 210A and the longitudinal direction of the insert panel 222A may be perpendicular to each other in order to prevent such shrinkage damage.
  • the auxiliary corrugation 230A may be formed lower than the protruding height of the flange 223A, and the auxiliary corrugation 230A is not only the primary main panel 220A of the first cargo hold wall A but also the second to be described later. And the primary main panels 220B and 220C of the third cargo hold walls B and C.
  • An end cap 231A may be provided at an end portion of the auxiliary pleats 230A, and the end cap 231A has a form in which the cross-sectional area becomes smaller as it moves away from the auxiliary pleats 230A.
  • a semicircular cross section, a semi-elliptic cross section, or a parabola that is smaller in size as the closer to the primary corrugated panel 210A from the end of 230A) may be continuously connected to have a curved shape similar to a quarter of a sphere, and While allowing the end to be sealed, it serves to reduce local stress that may occur at the joint between insert panel 222A and primary corrugated panel 210A.
  • the secondary barrier 400A of the first cargo hold wall A has a shape substantially similar to that of the primary barrier 200A, and the secondary corrugated panel 410A and the secondary main panel are shown. 420A.
  • the secondary barrier 400A may be joined with the secondary barrier 400B of the second cargo hold wall B or the secondary barrier 400C of the third cargo hold wall C, which will be described later.
  • the secondary corrugated panel 410A surrounds the corner line 6 formed by the bottom 3, the vertical wall 4, and the ceiling 5 that meet the transverse wall 2. May be disposed along or perpendicular to the central portion of the transverse wall 2 and extend from the corner piece 412A and the flat corner piece 412A extending from the corner line 6 to the wall;
  • a plurality of corrugation cross sections may include a corrugation portion 414A which is formed in parallel and continuous along the corner line 6.
  • the corner piece 412A may be connected to the secondary main panels 420B and 420C of the second or third cargo hold walls B and C, which will be described later, and may be formed in a flat shape of an invar material.
  • the wrinkle portion 414A not only absorbs the shrinkage deformation caused by the temperature of the cryogenic material, but also absorbs the sloshing impact force applied to the corner line 6 during the sloshing phenomenon of the liquefied gas, thereby absorbing the corner line 6. It is possible to prevent the occurrence of defects in the portion, it can be formed of the Invar material.
  • corner piece 412A and the wrinkle portion 414A are not limited to the invar material but may be formed of a stainless material or another material.
  • the wrinkled portion 414A of the secondary barrier 400A may have a smaller valley of wrinkles and a wider gap between the wrinkles than the wrinkled portion 214A of the primary barrier 200A. Since the wrinkles 214A of the primary barrier 200A are in direct contact with the cryogenic material, they are greatly affected by shrinkage or sloshing, while the wrinkles 414A of the secondary barrier 400A will be described later. This is because the contact between the primary insulation wall 300A and the secondary insulation wall 500A does not come into contact with the cryogenic material and thus the effect of shrinkage or sloshing is relatively small.
  • the secondary main panel 420A is configured to connect a plurality of insert panels 422A each having a flange 423A facing the adjacent panel, and one side of the secondary main panel 420A has a pleat portion of the secondary corrugated panel 410A ( It can be connected to the secondary corrugated panel 410A by an insert panel 422A interposed on one side (the opposite side of the corner piece) of 414A, and the second side of the second or third cargo hold walls B and C which will be described later. It may be connected to the main panels 420B and 420C.
  • the insert panel 422A may be formed of an invar material.
  • the insert panel 422A is not limited to the invar material, but may be formed of a stainless material or another material.
  • the primary main panel 220A of the first cargo hold wall A has a form in which a plurality of insert panels 222A each having a flange 223A facing the adjacent panel are connected.
  • the flange 223A provided in each of the neighboring insert panels 222A is welded (for example, resistance welded) and connected.
  • the secondary main panel 420A of the first cargo hold wall A is formed by connecting a plurality of insert panels 422A each having a flange 423A facing the adjacent panel, and adjacent inserts.
  • the flange 423A of each of the panels 422A is welded.
  • the spacing between the flanges 223A provided in the insert panel 222A of the primary barrier 200A is smaller than the spacing between the flanges 423A provided in the insert panel 422A of the secondary barrier 400A,
  • the flange 223A of the primary barrier 200A and the flange 423A of the secondary barrier 400A are staggered from each other.
  • their weld joints are also staggered, thereby reducing the possibility of damage to the weld due to leakage.
  • the distance between the flange 223A provided in the insert panel 222A of the primary barrier 200A is shorter than the distance between the flange 423A provided in the insert panel 422A of the secondary barrier 400A. If so, the shrinkage displacement of the primary barrier 200A in direct contact with the cryogenic material is sufficiently absorbed.
  • the primary insulation wall 300A of the first cargo hold wall A includes: an upper plywood 340A, an upper glassfiber composite material (GRE (glass fiber reinforced epoxy); 370A), It includes a heat insulating plate 310A, the lower Glassfiber composite material 380A, is installed between the primary barrier 200A and the secondary barrier 400A of the first cargo hold wall (A).
  • the primary insulation wall 300A may be connected to the primary insulation walls 300B and 300C of the second or third cargo hold walls B and C which will be described later.
  • the upper plywood 340A may be installed between the primary barrier 200A and the upper Glassfiber composite material 370A.
  • the upper Glassfiber composite material 370A is a flat plate reinforcement, which is installed between the upper plywood 340A and the heat insulating plate 310A to be described later, and has a thickness due to the recess 360A formed in the heat insulating plate 310A to be described later. It may serve to reinforce with the lower glassfiber composite material 380A which will be described later the strength of the heat insulating plate 310A that can be reduced as it is thinner.
  • the insulation plate 310A is installed between the upper Glassfiber composite material 370A and the lower Glassfiber composite material 380A, which will be described later, and has a pleat portion 414A formed in the secondary corrugation panel 410A of the secondary barrier 400A.
  • Receiving portion 360A may be formed on the bottom surface thereof so as to be accommodated therein.
  • the depression 360A may have a trapezoidal cross section, and may have a recessed shape larger than the height and width of the wrinkle portion 414A to sufficiently accommodate the wrinkle portion 414A. Therefore, a space may be formed between the wrinkle portion 414A and the depression portion 360A.
  • the portion where the depression 360A is formed in the insulation plate 310A may have a relatively low strength because the thickness becomes thinner than other portions, but this may be caused by the lower Glassfiber composite material 380A having the depression 360A. Can be reinforced.
  • the heat insulating material 330A which forms the heat insulation board 310A is comprised from the high density polyurethane foam of density 200 kg / m ⁇ 3> or more.
  • the lower Glassfiber composite material 380A is installed between the heat insulating plate 310A and the secondary barrier 400A and may perform a reinforcement role similar to that of the upper Glassfiber composite material 370A. However, the lower Glassfiber composite material 380A must be in close contact with the lower portion of the heat insulating plate 310A and at the same time accommodate the pleat portion 414A formed in the second corrugated panel 410A of the secondary barrier 400A. In order to have the same shape as the bottom surface of 310A, the depression 360A may be formed.
  • the secondary heat insulation wall 500A of the first cargo hold wall A includes, as shown in FIGS. 9 and 10, an upper plywood 540A, a heat insulation plate 510A, and a lower plywood 550A. It is installed between the secondary barrier 400A of the cargo hold wall A and the hull shell 100.
  • the secondary insulation wall 500A may be connected to the secondary insulation walls 500B and 500C of the second or third cargo hold walls B and C which will be described later.
  • the upper plywood 540A may be installed between the secondary barrier 400A and the heat insulating plate 510A.
  • the heat insulating plate 510A is installed between the upper plywood 540A and the lower plywood 550A to be described later, and the heat insulating material 530A forming the heat insulating plate 510A includes a high density polyurethane foam having a density of 200 kg / m 3 or more. desirable.
  • the lower plywood 550A may be installed between the heat insulation plate 510A and the hull shell 100.
  • FIG. 11 is an exploded perspective view of the second cargo hold wall according to an embodiment of the present invention
  • Figure 12 is an assembled perspective view of the primary barrier and the primary insulating wall of the second cargo hold wall according to an embodiment of the present invention
  • 13 is an assembled perspective view of the secondary barrier and the secondary insulating wall of the second cargo hold wall according to an embodiment of the present invention
  • Figure 14 is a primary barrier, primary of the second cargo hold wall according to an embodiment of the present invention Assembled perspective view of the insulating wall, the secondary barrier and the secondary insulating wall
  • Figure 15 is a partial cross-sectional view of the second cargo hold wall according to an embodiment of the present invention
  • Figure 16 is a second cargo hold according to an embodiment of the present invention
  • 17 is an exploded perspective view of the primary insulating wall of the wall
  • FIG. 17 is a partial cross-sectional view of the primary insulating wall of the second cargo hold wall according to an embodiment of the present invention
  • FIG. 18 is a second cargo hold according to an embodiment of the present invention
  • 19 is an exploded perspective view of a secondary insulating wall of a wall
  • FIG. 19 is a second cargo hold according to an embodiment of the present invention.
  • 2 is a cross-sectional view of a portion of the primary heat insulating wall.
  • the second cargo hold wall B of the invention is in contact with the hull shell 100 forming the exterior of the cargo hold 1 and the cryogenic material inside the cargo hold 1.
  • the second cargo hold wall B may form the cargo hold 1 of the present invention alone, but in the present embodiment, the second cargo hold wall B is combined with the first cargo hold wall A to form the cargo hold 1 of the present invention.
  • the second cargo hold wall B can be combined with the third cargo hold wall C to be described later to form the cargo hold 1 of the invention.
  • the second cargo hold wall (B) is installed on the floor (3) and the ceiling (5) that are relatively less impact due to the sloshing phenomenon of the liquefied gas, or the transverse wall (2), which is relatively much impact, vertically It can optionally be installed on the wall 4.
  • the primary barrier 200B of the second cargo hold wall B includes a primary main panel 220B, as shown in FIG. 11.
  • the primary barrier 200B may be joined to the primary barrier 200A of the first cargo hold wall A.
  • the primary main panel 220B is configured to connect a plurality of unit panels 222B each having a flange 223B facing an adjacent panel, and the primary main panel of the first cargo hold wall A ( 220A).
  • the primary main panel 220B of the second cargo hold wall B is the third cargo hold wall C, which will be described later. It may be connected to the primary main panel 220C.
  • the primary main panel 220B may be formed in a flat plate type of stainless material.
  • the primary main panel 220B is not limited to a stainless material, but may be formed of an Invar material or another material.
  • an auxiliary pleat 230B may be formed, and the auxiliary pleat 230B of the primary main panel 220B is formed in the primary main panel 220A of the first cargo hold wall A described above.
  • Auxiliary corrugation 230A formed in the same) and its shape is the same and also located on the same line to be able to communicate with each other when combined.
  • the auxiliary corrugation 230B may be formed in the longitudinal direction, as shown in an enlarged view of FIG. 31, and has a shape and an auxiliary corrugation 220A formed on the primary main panel 220A of the first cargo hold wall A. Since the functions are the same, detailed descriptions will be omitted here to avoid redundant descriptions.
  • the secondary barrier 400B of the second cargo hold wall B may be configured in a substantially similar form as the primary barrier 200B and includes a secondary main panel 420B. .
  • the secondary barrier 400B may be joined with the secondary barrier 400A of the first cargo hold wall A.
  • the secondary main panel 420B is configured to connect a plurality of unit panels 422B each having a flange 423B facing the adjacent panel, and the secondary main panel 420 of the first cargo hold wall A 420A).
  • the secondary main panel 420B of the second cargo hold wall B is the third cargo hold wall C, which will be described later. It may be connected to the secondary main panel 420C.
  • the secondary main panel 420B may be formed in a flat plate type of stainless material.
  • the secondary main panel 420B is not limited to a stainless material, but may be formed of another material.
  • the primary main panel 220B of the second cargo hold wall B is formed by connecting a plurality of unit panels 222B, each having a flange 223B facing the adjacent panel.
  • a double tongue 250B is inserted and installed at an interval corresponding to the width of the unit panels 222B in the primary insulation wall 300B to be described later, and the unit panel 222B is adjacent to the double tongue 250B.
  • a flange 223B disposed between each of the unit panels 222B adjacent to both surfaces of one double tongue 250B disposed in the center and welded between the double tongues 250B.
  • the secondary main panel 420B of the second cargo hold wall B has a form in which a plurality of unit panels 422B each having a flange 423B facing the adjacent panel are connected.
  • a double tongue 450B is inserted into and fixed to a secondary heat insulation wall 500B to be described later at intervals corresponding to the widths of the unit panels 422B, and the unit panel 420B includes a neighboring tongue 450B and a double tongue ( The flanges 423B of each of the unit panels 420B adjacent to both sides of one double tongue 450B disposed in the middle are disposed between 450B.
  • the unit panel 222B of the primary main panel 220B is connected by a double tongue 250B, and the unit panel 422B of the secondary main panel 420B has one tongue (not shown). ) Can only be connected.
  • FIGS. 29 and 30 The structure of double tongues 250B and 450B is shown in FIGS. 29 and 30.
  • the spacing between neighboring double tongues 250B of the primary barrier 200B is smaller than the spacing between neighboring double tongues 450B of the secondary barrier 400B, and the double tongue of the primary barrier 200B ( 250B) and double tongue 450B of secondary barrier 400B are staggered from each other.
  • the double tongues 250B and 450B of the primary barrier 200B and the secondary barrier 400B are staggered in this manner, their weld joints are also staggered, reducing the possibility of damage to the weld due to water leakage, and at the same time, providing excellent thermal insulation performance. Can improve.
  • the primary barrier 200B is shorter than the distance between neighboring double tongues 450B of the secondary barrier 400B, the primary contact directly with the cryogenic material The damage caused by shrinkage of the barrier 200B is sufficiently prevented.
  • the primary heat insulation wall 300B of the second cargo hold wall B includes, as shown in FIGS. 16 and 17, an upper plywood 340B, a heat insulation plate 310B, and a lower plywood 350B. It is installed between the primary barrier 200B of the cargo hold wall B and the secondary barrier 400B. Both sides of the primary insulation wall 300B may be connected to the primary insulation wall 300A of the first cargo hold wall A.
  • FIG. 16 The primary heat insulation wall 300B of the second cargo hold wall B includes, as shown in FIGS. 16 and 17, an upper plywood 340B, a heat insulation plate 310B, and a lower plywood 350B. It is installed between the primary barrier 200B of the cargo hold wall B and the secondary barrier 400B. Both sides of the primary insulation wall 300B may be connected to the primary insulation wall 300A of the first cargo hold wall A.
  • the upper plywood 340B may be welded to the flange 223B provided with the double tongue 250B inserted and fixed to the primary barrier 200B.
  • the insulation plate 310B may be installed between the upper plywood 340B and the lower plywood 350B to be described later.
  • the insulation plate 310B may include an upper glassfiber composite material 320B in which a plurality of Glassfiber composite plates are formed in a lattice structure, and a heat insulating material 330B filled between the lattice of the upper Glassfiber composite material 320B.
  • the heat insulating material 330B with the low density polyurethane foam of density 45 kg / m ⁇ 3> or less.
  • the upper Glassfiber composite material 320B is disposed in such a manner as to traverse a plurality of Glassfiber composite plate in the thickness direction (up and down directions on the drawing) of the primary heat insulation wall 300B. That is, the glassfiber composite plate is in the form of the thickness of the heat insulating material (330B). By doing so, the glassfiber composite plates form a lattice to support the compressive load acting in the thickness direction of the heat insulator 330B.
  • the upper Glassfiber composite material 320B may prevent the primary heat insulation wall 300B from being bent up and down based on the front and rear cross sections, or bent up and down based on the left and right cross sections. That is, the primary insulating wall 300B may serve as a rigid body by providing the upper glassfiber composite material 320B having a lattice shape in the insulating material 330B of polyurethane foam.
  • the shape of the grid can be variously selected according to the capacity of the cargo hold 1, the size of the ship, the required strength, and the like. For example, square, triangular, pentagonal, hexagonal, repeating any regular shape, a shape that cannot be defined as a specific shape, or multiple grids of glassfiber composite plates in parallel to the horizontal or vertical direction other than the lattice shape. It can choose from various structures, such as the arrange
  • the upper Glassfiber composite material 320B is preferably embedded in the heat insulating material 330B to be integrated.
  • the upper Glassfiber composite material 320B As a method of embedding, it is preferable to perform simultaneous injection molding of the upper Glassfiber composite material 320B by so-called 'insert molding' when foaming the heat insulating material 330B. That is, when the upper glassfiber composite material 320B is put in the cavity of the mold for foam molding the heat insulating material 330B, and the polyurethane raw material is foamed and molded in the cavity, the heat insulating material 330B of the polyurethane foam is molded. The upper glassfiber composite material 320B is embedded in the interior of the).
  • the insulation 330B pieces and the upper Glassfiber composite material 320B are separately manufactured, and the insulation pieces are inserted into the lattice of the upper Glassfiber composite material 320B, and then bonded to the upper and lower plywood using adhesive. You may also
  • the low-density polyurethane foam having a density of 45 kg / m 3 or less or the medium-density polyurethane foam before and after the density 135 kg / m 3 used as the heat insulating material 330B is a raw material as compared with the high-density polyurethane foam having a density of 200 kg / m 3 or more. It is inexpensive and has excellent insulation ability, but has low compressive strength and rigidity. Accordingly, in the present invention, the upper glassfiber composite material 320B is inserted to reinforce the compressive strength and rigidity of the heat insulating material 330B.
  • the lower plywood 350B may be installed between the heat insulation plate 310B and the secondary barrier 400B.
  • slits 342B and 352B corresponding to the arrangement of the upper Glassfiber composite material 320B are formed on the upper plywood 340B and the lower plywood 350B, and the slits 342B and 352B are formed.
  • the coupling force between the upper and lower plywoods 340B and 350B and the insulation plate 310B can be further strengthened.
  • the secondary insulating wall 500B of the second cargo hold wall B includes an upper plywood 540B, an insulating plate 510B, and a lower plywood 550B, as shown in FIGS. 18 and 19. It is installed between the secondary barrier 400B of the cargo hold wall B and the ship shell 100.
  • the secondary insulation wall 500B may be connected to both sides of the secondary insulation wall 500A of the first cargo hold wall A.
  • the upper plywood 540B may be welded to the flange 423B provided with the double tongue 450B inserted and fixed to the secondary barrier 400B.
  • the insulation board 510B may be installed between the upper plywood 540B and the lower plywood 550B to be described later.
  • the insulation plate 510B may include a lower Glassfiber composite material 520B in which a plurality of Glassfiber composite plates are formed in a parallel structure, and a heat insulating material 530B filled in a parallel structure of the lower Glassfiber composite material 520B.
  • the heat insulating material 530B with the low density polyurethane foam of density 45 kg / m ⁇ 3> or less.
  • the lower Glassfiber composite material 520B is disposed in such a manner as to traverse a plurality of Glassfiber composite plates in the thickness direction (up and down directions on the drawing) of the secondary heat insulation wall 500B. That is, the glassfiber composite plate is in the form of the thickness of the heat insulating material (530B). By doing so, the glassfiber composite plates form a parallel structure to support the compressive load acting in the thickness direction of the heat insulator 530B.
  • the lower Glassfiber composite material 520B has a parallel structure instead of the lattice structure of the upper Glassfiber composite material 320B.
  • the lower Glassfiber composite material 520B and the secondary glassfiber composite material 520B have a parallel structure.
  • Both of the thermal insulation walls 500B act as rigid bodies, so that the impact is not absorbed by the thermal insulation walls 300B, 500B and transmitted to the upper and lower plywoods 340B, 350B, 540B, and 550B, so that the plywoods 340B, 350B, 540B, and 550B This is because it may be broken.
  • the present embodiment is provided with a lower glassfiber composite material 520B in a parallel structure so that the secondary heat insulation wall 500B can be bent in at least one direction to sufficiently absorb the impact so that the plywood 340B, 350B, 540B, 550B) Can be damaged.
  • the form of the parallel structure can be variously selected according to the capacity of the cargo hold 1, the size of the ship, the required strength, and the like.
  • a variety of structures can be selected, such as straight lines, curves, repeating arbitrary regular lines, and shapes without specific rules.
  • the lower Glassfiber composite material 520B is preferably embedded in the heat insulating material 330B to be integrated.
  • the heat insulating material 530B As a method of embedding, it is preferable to perform simultaneous injection molding of the lower Glassfiber composite material 520B by so-called 'insert molding' when foaming the heat insulating material 530B. That is, when the bottom glassfiber composite material 520B is put in the cavity of the mold for foam molding the heat insulating material 530B, and the polyurethane raw material is foamed and molded in the cavity, the heat insulating material 530B of the polyurethane foam is molded. ) Inside the glassfiber composite material (520B) is embedded and integrated.
  • the pieces of the insulating material 530B and the lower Glassfiber composite material 520B may be manufactured separately, and the pieces of the insulating material may be inserted into the gaps of the lower Glassfiber composite material 520B and then bonded by an adhesive.
  • the low-density polyurethane foam having a density of 45 kg / m 3 or less which is used as the heat insulating material 530B, is cheaper than the polyurethane foam having a density of 130 kg / m 3 and has excellent thermal insulation ability, but has excellent compressive strength and Low stiffness Accordingly, in the present invention, the lower glassfiber composite material 520B is inserted to reinforce the compressive strength and rigidity of the heat insulating material 530B.
  • the lower plywood 550B may be installed between the heat insulation plate 510B and the hull 100.
  • the upper Glassfiber composite material 320B is a lattice structure
  • the lower Glassfiber composite material 520B is a parallel structure
  • the upper Glassfiber composite material 320B is a parallel structure
  • the lower Glassfiber composite material 520B is It may be a lattice structure. That is, in order to prevent the impact from being transmitted to the plywoods 340B, 350B, 540B, and 550B, any one of the two Glassfiber composite materials 320B and 520B may have a lattice structure and the other may have a parallel structure.
  • FIG. 20 is an exploded perspective view of the third cargo hold wall according to an embodiment of the present invention
  • Figure 21 is an assembled perspective view of the primary barrier and the primary insulating wall of the third cargo hold wall according to an embodiment of the present invention
  • 22 is an assembled perspective view of the secondary barrier and the secondary insulating wall of the third cargo hold wall according to an embodiment of the present invention
  • Figure 23 is a primary barrier, primary of the third cargo hold wall according to an embodiment of the present invention Assembled perspective view of the insulating wall, the secondary barrier and the secondary insulating wall
  • Figure 24 is a partial cross-sectional view of the third cargo hold wall according to an embodiment of the present invention
  • FIG. 26 is a partial cross-sectional view of the primary insulating wall of the third cargo hold wall according to an embodiment of the present invention
  • FIG. 27 is a third cargo hold according to an embodiment of the present invention.
  • An exploded perspective view of the secondary insulating wall of the wall, Figure 28 is a third cargo hold according to an embodiment of the present invention 2 is a cross-sectional view of a portion of the primary heat insulating wall.
  • the third cargo hold wall C of the invention is in contact with the hull shell 100 forming the exterior of the cargo hold 1 and the cryogenic material inside the cargo hold 1.
  • the third cargo hold wall C may form the cargo hold 1 of the present invention alone, but in this embodiment, the cargo hold 1 of the present invention is formed in combination with the first cargo hold wall A.
  • the third cargo hold wall C can be combined with the second cargo hold wall B to form the cargo hold 1 of the invention.
  • the third cargo hold wall C when combined with the first cargo hold wall A, forms the cargo hold 1 of the present invention, in all or selected portions except for the portion where the first cargo hold wall A is installed. Can be installed.
  • the first cargo hold wall A is installed in the corner line 6 portion of the cargo hold 1, the transverse wall 2, the bottom 3, and the vertical wall 4 except for the corner line 6 portion are installed.
  • the ceiling 5 may be selectively formed.
  • the third cargo hold wall (C) is installed on the floor (3) and the ceiling (5), which are relatively less impacted due to the sloshing phenomenon of the liquefied gas, or the transverse walls (2), which are relatively much impacted, vertically It can optionally be installed on the wall 4.
  • the primary barrier 200C of the third cargo hold wall C includes a primary main panel 220C, as shown in FIG. 20.
  • the primary barrier 200C may be joined to the primary barrier 200A of the first cargo hold wall A.
  • the primary main panel 220C is configured to connect a plurality of unit panels 222C each having a flange 223C facing the adjacent panel, and the primary main panel of the first cargo hold wall A ( 220A).
  • the primary main panel 220C of the third cargo hold wall C is the primary main panel of the second cargo hold wall B. And may be connected to 220B.
  • the primary main panel 220C may be formed in a flat plate type of stainless material.
  • the primary main panel 220C is not limited to a stainless material, but may be formed of an Invar material or another material.
  • an auxiliary corrugation 230C may be formed, and the auxiliary main corrugation 230C of the primary main panel 220C may be the primary main panel 220A of the first cargo hold wall A described above.
  • the auxiliary corrugation 230A formed in the second corrugation 230A formed in the primary cargo panel 220B of the second cargo hold wall B and the same shape and the same as the auxiliary corrugation 230B To be able.
  • the auxiliary corrugation 230C may be formed in the longitudinal direction, as enlarged in FIG. 31, and the primary and secondary main panels 220A and 220B of the first and second cargo hold walls A and B.
  • the secondary barrier 400C of the third cargo hold wall C may be configured in a manner substantially similar to the primary barrier 200C, and includes the secondary main panel 420C. .
  • the secondary barrier 400C may be joined with the secondary barrier 400A of the first cargo hold wall A.
  • the secondary main panel 420C is configured to connect a plurality of unit panels 422C each having a flange 423C facing the adjacent panel, and the secondary main panel 420 of the first cargo hold wall A 420A).
  • the secondary main panel 420C of the third cargo hold wall C is the secondary main panel of the second cargo hold wall B. 420B.
  • the secondary main panel 420C may be formed in a flat plate type of stainless material.
  • the secondary main panel 420C is not limited to a stainless material, but may be formed of an Invar material or another material.
  • the primary main panel 220C of the third cargo hold wall C is formed by connecting a plurality of unit panels 222C each having a flange 223C facing the adjacent panel.
  • a double tongue 250C is inserted and installed at an interval corresponding to the widths of the unit panels 222C, and the unit panel 222C is adjacent to the double tongue 250C.
  • a flange 223C disposed between each of the unit panels 222C adjacent to both sides of one double tongue 250C disposed in the center and welded between the double tongues 250C.
  • the secondary main panel 420C of the third cargo hold wall C is formed by connecting a plurality of unit panels 422C each having a flange 423C facing the adjacent panel.
  • a double tongue 450C is inserted into and fixed to the secondary insulation wall 500C to be described later at intervals corresponding to the widths of the unit panels 422C, and the unit panel 420C includes a neighboring tongue 450C and a double tongue ( The flanges 423C of each of the unit panels 420C adjacent to both sides of one double tongue 450C disposed in the middle are disposed between 450C.
  • the unit panel 222C of the primary main panel 220C is connected by a double tongue 250C, and the unit panel 422C of the secondary main panel 420C has one tongue (not shown). ) Can only be connected.
  • FIGS. 29 and 30 The structures of the double tongues 250C and 450C are shown in FIGS. 29 and 30.
  • the spacing between neighboring double tongues 250C of the primary barrier 200C is smaller than the spacing between neighboring double tongues 450C of the secondary barrier 400C, and the double tongues of the primary barrier 200C ( 250C) and the double tongue 450C of the secondary barrier 400C are staggered from each other.
  • the double tongues 250C and 450C of the primary barrier 200C and the secondary barrier 400C are staggered, their weld joints are also staggered, thereby reducing the possibility of damage to the weld due to leakage.
  • the primary contact with the cryogenic material directly The contraction displacement of the barrier 200C is sufficiently absorbed.
  • the primary heat insulation wall 300C of the third cargo hold wall C includes, as shown in FIGS. 25 and 26, an upper plywood 340C, a heat insulation plate 310C, and a lower plywood 350C. It is installed between the primary barrier 200C of the cargo hold wall C and the secondary barrier 400C.
  • the primary heat insulation wall 300C may be connected to both sides of the primary heat insulation wall 300A of the first cargo hold wall A.
  • the upper plywood 340C may be welded to the flange 223C provided with the double tongue 250C inserted and fixed to the primary barrier 200C.
  • the heat insulating plate 310C may be installed between the upper plywood 340C and the lower plywood 350C to be described later, and as the heat insulating material 330C forming the heat insulating plate 310C, a medium density polyurethane having a density of 130 kg / m 3 and around It is preferable to form a foam.
  • the heat insulating material 330C can be comprised not only with the medium density polyurethane foam of about 130 kg / m ⁇ 3> of density, but also the low density polyurethane foam of 45 kg / m ⁇ 3> or less of density.
  • the lower plywood 350C may be installed between the heat insulating plate 310C and the secondary barrier 400C.
  • the secondary heat insulation wall 500C of the third cargo hold wall C includes the upper plywood 540C, the heat insulation plate 510C, and the lower plywood 550C, as shown in FIGS. 27 and 28. It is installed between the secondary barrier 400C of the cargo hold wall C and the ship shell 100. Both sides of the secondary insulation wall 500C may be connected to the secondary insulation wall 500A of the first cargo hold wall A.
  • FIG. 27 The secondary heat insulation wall 500C of the third cargo hold wall C includes the upper plywood 540C, the heat insulation plate 510C, and the lower plywood 550C, as shown in FIGS. 27 and 28. It is installed between the secondary barrier 400C of the cargo hold wall C and the ship shell 100. Both sides of the secondary insulation wall 500C may be connected to the secondary insulation wall 500A of the first cargo hold wall A.
  • the upper plywood 540C may be welded to the flange 423C provided with the double tongue 450C inserted and fixed to the secondary barrier 400C.
  • the heat insulating plate 510C may be installed between the upper plywood 540C and the lower plywood 550C to be described later, and as the heat insulating material 530C forming the heat insulating plate 510C, a medium density polyurethane of around 130 kg / m 3 It is preferable to form a foam.
  • the lower plywood 550C may be installed between the heat insulation plate 510C and the secondary barrier 400C.
  • FIG. 29 is an enlarged front view of the double tongue according to an embodiment of the present invention
  • FIG. 30 is an enlarged perspective view of the double tongue according to an embodiment of the present invention.
  • the double tongues 250 and 450 of this embodiment are each main panel.
  • the lower portion may have a ' ⁇ ' shape bent in a direction away from the flanges (223, 423).
  • the second and third cargo hold walls Double tongues 250, 450 as mentioned in primary main panel 220 and secondary main panel 420 of B, C may be used.
  • the double tongues 250 and 450 may have a left tongue (not shown) having a bottom bent to the left and a right tongue having a bottom bent to the right based on a point at which the flanges 223 and 423 are coupled in FIG. 29. (Not shown) may be configured as a double structure in contact with each other. At this time, the height of the left tongue and the right tongue is the same, the length of the lower end bent to the left and right may also be the same. That is, the double tongues 250 and 450 may have a symmetrical shape, and thus the welding tongue between the flanges 223 and 423 may be uniformly formed.
  • the lower portion bent and extended in this way may be fixed to the above-mentioned upper plywood 340 and 540, and a coupling hole (not shown) for inserting the lower end of the double tongues 250 and 450 into the upper plywood 340 and 540. May not be formed).
  • the double tongues 250 and 450 may protrude relatively higher than the flanges 223 and 423, in which the cryogenic material is exposed to the upper portion of the flanges 233 and 423 in order to prevent breakage due to sloshing.
  • a plurality of flow holes (not shown) for the flow of the can be formed along the longitudinal direction.
  • the double tongues 250 and 450 having a double structure and the symmetrical structure may improve the bonding force of the flanges 223 and 423, and the upper plywood 340 and 540 and the main panel 220 and 420.
  • the bond between the liver can also be improved.
  • the double tongues 250 and 450 may increase the strength of the thermal insulation structure.
  • the first cargo hold wall A having the primary corrugated panel 210A to the corner line 6 occupying a part of the cargo hold 1, cracking occurs due to shrinkage. It can be prevented in advance and at the same time can easily absorb the impact force due to the sloshing phenomenon of the liquefied gas to prevent the occurrence of defects in the cargo hold 1, the first, second and third cargo hold walls (A, B) , C) to form secondary pleats (230A, 230B, 230C) in each of the primary barrier (200A, 200B, 200C) to prevent breakage due to shrinkage and to more easily absorb the impact force due to the sloshing phenomenon of liquefied gas
  • the first to third cargo hold walls A, B, and C having different structures may be selectively applied to each part of the cargo hold 1 in which the sloshing phenomenon is different, thereby improving reliability of the cargo hold. Can be.
  • an expensive material is used only for a part of the first cargo hold wall A applied to a part of the cargo hold 1 and a relative to the second or third cargo hold walls B and C applied to most of the cargo hold 1.
  • an inexpensive material By using an inexpensive material, the production cost of the cargo hold 1 can be drastically reduced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
PCT/KR2014/002898 2013-04-05 2014-04-03 극저온 물질 운반선의 화물창 WO2014163417A1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2016506244A JP6109405B2 (ja) 2013-04-05 2014-04-03 極低温物質運搬船の貨物倉
CN201480031626.7A CN105263797B (zh) 2013-04-05 2014-04-03 低温材料载体的货舱
EP14780233.4A EP2982594B1 (en) 2013-04-05 2014-04-03 Cargo tank of cryogenic material carrier

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361808845P 2013-04-05 2013-04-05
US61/808,845 2013-04-05
KR20130038768 2013-04-09
KR10-2013-0038768 2013-04-09

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US (1) US9335003B2 (zh)
EP (1) EP2982594B1 (zh)
JP (1) JP6109405B2 (zh)
KR (7) KR101919166B1 (zh)
CN (1) CN105263797B (zh)
WO (1) WO2014163417A1 (zh)

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KR20140121334A (ko) 2014-10-15
KR101958039B1 (ko) 2019-03-13
KR101919167B1 (ko) 2018-11-16
EP2982594A4 (en) 2016-12-07
KR20140121333A (ko) 2014-10-15
KR20140121340A (ko) 2014-10-15
KR101954460B1 (ko) 2019-05-31
US9335003B2 (en) 2016-05-10
EP2982594B1 (en) 2019-03-13
KR101919166B1 (ko) 2018-11-16
CN105263797B (zh) 2017-08-11
KR101919165B1 (ko) 2018-11-16
KR20140121336A (ko) 2014-10-15
US20140299038A1 (en) 2014-10-09
KR101919164B1 (ko) 2018-11-16
EP2982594A1 (en) 2016-02-10
KR20140121331A (ko) 2014-10-15
KR20140121335A (ko) 2014-10-15
CN105263797A (zh) 2016-01-20
KR101897837B1 (ko) 2018-10-29
KR20140121332A (ko) 2014-10-15
JP6109405B2 (ja) 2017-04-05
JP2016520465A (ja) 2016-07-14

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